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Controlling annual ryegrass (and other weeds) in fence lines to reduce glyphosate resistance development

2014

Research organisation
Funding source
Northern Agri Group
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Sally Peltzer (DAFWA)
Year(s) 2014
Contributor Northern Agri Group
Trial location(s) Ogilvie, WA
Controlling annual ryegrass (and other weeds) in fence lines to reduce glyphosate resistance development locations
Aims

Herbicide and application timing alternatives to control annual ryegrass and other weeds in fence lines and prevent the onset of resistance.

Key messages
  • A single application of Uragan (bromacil) plus paraquat in May gave complete control of all weeds at all sites over both rates. However, the additional expense, soil erosion risk and irsk to remnant vegetation need to be considered.
Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC UA00124
Related program GRDC funded Herbicide Resistance Project
Acknowledgments

The Northern Advisor Group for the Herbicide Resistance Project.
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type None: No crop specified
Treatment type(s)
  • Herbicide : Rate
  • Herbicide : Timing
  • Herbicide : Type
Trial type Experimental
Trial design Replicated

Ogilvie 2014

Sow date Not specified
Harvest date Not specified
Plot size 10m x 5m
Plot replication 3
Herbicide

T1 = May 26 T2 = June 18 T3 = July 27 T4 = 6 and 8 August (cultivation and spray) Water rate - 130L/ha using 360kpa pressure Ground Speed - 12 kph Nozzle type - Teejet AIXR11004 nozzles Weed species - Annual ryegrass, wild radish, capeweed, doublegee, clover, volunteer cereals.
Other trial notes

This project is part of the Statewide Herbicide Resistance Project. Similar trials were held in Buntine, Doodlakine, East Wagin, Woogenellup and Esperance Downs Research Station.
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

@T1: Annual Ryegrass @T2: Wild Radish @T3: Volunteer cereals @T4: Capeweed
# Treatment 1
Treatment 2
Treatment 3
Treatment 4
Weed control (%) Weed control (%) Weed control (%) Weed control (%)
1 █ Simazine granuals@ 4kg/ha + Alliance @ 4L/ha █ May 26 █ Atrazine granuals @ 2.2kg/ha + paraquat 250@ 3.6L/ha █ August 8 95 100 98.3 100
1 █ Simazine granuals@ 4kg/ha + Alliance @ 4L/ha █ May 26 █ Cultivate █ August 6 73.3 100 100 100
1 █ Simazine granuals@ 4kg/ha + Alliance @ 4L/ha █ May 26 █ Nil █ 48.3 80 50
1 █ Simazine granuals@ 4kg/ha + 2,4-D @ 700ml/ha + paraquat 250 @ 3.6 L/ha █ May 26 █ Atrazine granuals @ 2.2kg/ha + paraquat 250@ 3.6L/ha █ August 8 75 0 95
2 █ Simazine granuals@ 4kg/ha + 2,4-D @ 700ml/ha + paraquat 250 @ 3.6 L/ha █ May 26 █ Cultivate █ August 6 60 0 0
2 █ Simazine granuals@ 4kg/ha + 2,4-D @ 700ml/ha + paraquat 250 @ 3.6 L/ha █ May 26 █ Nil █ 40 0 20
2 █ Uragan (bromacil) @ 3.5 kg/ha + paraquat 250 @ 3.6 L/ha █ May 26 █ Nil █ 100 100 100 100
2 █ Uragan (bromacil) @ 5 kg/ha + paraquat 250 @ 3.6 L/ha █ May 26 █ Nil █ 100 100 100 100
3 █ Cavalier (oxyflurofen) @ 4 L/Ha + paraquat 250@ 3.6L/ha █ May 26 █ Atrazine granuals @ 2.2kg/ha + paraquat 250@ 3.6L/ha █ August 8 98.3 100 100 100
3 █ Slash █ July 27 █ Atrazine granuals @ 2.2kg/ha + paraquat 250@ 3.6L/ha █ August 8 56.6 40 50
3 █ Simazine granuals@ 4kg/ha + 2,4-D @ 700ml/ha + paraquat 250 @ 3.6 L/ha █ June 18 █ Nil █ 58.3 50 10
4 █ Cultivate █ June 18 █ Atrazine granuals @ 2.2kg/ha + paraquat 250@ 3.6L/ha █ August 8 83.3 30
4 █ Control █ █ Nil █ 0 0 0 0
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Weed control %

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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Ogilvie, WA Loamy sand over gravel
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Ogilvie, WA Chromosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Ogilvie WA
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Climate

Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Ogilvie WA

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Trial report and links

2014 trial report



Trial last modified: 25-06-2019 13:33pm AEST